"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 防篡改
Case Name   : independent用户将表及视图权限赋权给超户
Create At   : 2022/3/29
Owner       : @daiguatutu
Description :
    1.设置参数并重启数据库enableseparationofduty=off
    2.创建independent和sysadmin用户
    3.independent用户连接,创建表并插入数据，创建视图
    4.independent用户连接,表和视图授权给超级用户
    5.超级用户连接,对表进行增删改查和copy操作
    6.超级用户连接,对表进行赋权和回收权限操作
    7.超级用户连接,查询视图
    8.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.成功
    7.成功
    8.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class Security(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.pri_node = Node('PrimaryDbUser')
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.common = Common()
        self.u_name = 'u_security_indenpendentuser_0012'
        self.u_name_01 = 'u_security_indenpendentuser_0012_01'
        self.v_name = 'v_security_indenpendentuser_0012'
        self.t_name = 't_security_indenpendentuser_0012'
        self.default_value1 = self.common.show_param('enableSeparationOfDuty')

    def test_security(self):
        text = '-----step1：设置参数并重启数据库enableSeparationOfDuty=off; ' \
               'expect:成功-----'
        self.log.info(text)
        if self.default_value1 != 'off':
            mod_msg = self.pri_sh.execute_gsguc('set',
                                                self.constant.GSGUC_SUCCESS_MSG,
                                                'enableSeparationOfDuty=off')
            self.assertTrue(mod_msg, '执行失败:' + text)
            result = self.pri_sh.restart_db_cluster()
            self.assertTrue(result, '执行失败' + text)

        text = '-----step2：创建independent和sysadmin用户 expect:成功-----'
        self.log.info(text)
        create_cmd = f"drop user if exists {self.u_name}," \
            f"{self.u_name_01} cascade; " \
            f"create user {self.u_name} independent password " \
            f"'{macro.COMMON_PASSWD}';" \
            f"create user {self.u_name_01} sysadmin " \
            f"password '{macro.COMMON_PASSWD}';"
        msg = self.pri_sh.execut_db_sql(create_cmd)
        self.log.info(msg)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, msg,
                      '执行失败:' + text)
        self.assertEqual(2, msg.count(self.constant.CREATE_ROLE_SUCCESS_MSG),
                         '执行失败:' + text)

        text = '-----step3：independent用户连接,创建表并插入数据，创建视图; expect:成功-----'
        self.log.info(text)
        sql_cmd = f"drop table if exists {self.t_name} cascade;" \
            f"create table {self.t_name}(id int,address text);" \
            f"insert into {self.u_name}.{self.t_name} values(1,'china');" \
            f"create view {self.v_name} as select * from {self.t_name};"
        connect = f'-U {self.u_name} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect)
        self.log.info(msg)
        self.assertIn(self.constant.DROP_TABLE_SUCCESS, msg, '执行失败:' + text)
        self.assertIn(self.constant.CREATE_TABLE_SUCCESS, msg, '执行失败:' + text)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG, msg, '执行失败:' + text)
        self.assertIn(self.constant.CREATE_VIEW_SUCCESS_MSG, msg,
                      '执行失败:' + text)

        text = '-----step4：independent用户连接,表和视图授权给超级用户; ' \
               'expect:成功-----'
        self.log.info(text)
        sql_cmd = f"grant all on table {self.t_name} to " \
            f"{self.pri_node.ssh_user} with grant option;" \
            f"grant all on {self.v_name}  to {self.pri_node.ssh_user} " \
            f"with grant option;"
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect)
        self.log.info(msg)
        self.assertEqual(2, msg.count(self.constant.GRANT_SUCCESS_MSG),
                         '执行失败:' + text)

        text = '-----step5：超级用户连接,对表进行增删改查和copy操作; expect:成功-----'
        self.log.info(text)
        sql_cmd = f"insert into {self.u_name}.{self.t_name} " \
            f"values(1,'beijing'),(2,'shanghai');" \
            f"select * from {self.u_name}.{self.t_name};" \
            f"update {self.u_name}.{self.t_name} set id=2;" \
            f"delete from {self.u_name}.{self.t_name} " \
            f"where address='beijing';" \
            f"copy {self.u_name}.{self.t_name} to stdout;"
        msg = self.pri_sh.execut_db_sql(sql_cmd)
        self.log.info(msg)
        self.assertIn('3 rows', msg, '执行失败:' + text)
        self.assertIn(self.constant.INSERT_SUCCESS_MSG, msg, '执行失败:' + text)
        self.assertIn(self.constant.UPDATE_SUCCESS_MSG, msg, '执行失败:' + text)
        self.assertIn(self.constant.DELETE_SUCCESS_MSG, msg, '执行失败:' + text)
        self.assertIn(f'2\tshanghai', msg, '执行失败:' + text)

        text = '-----step6：超级用户连接,对表进行赋权和回收权限操作; expect:成功-----'
        self.log.info(text)
        sql_cmd = f"grant all on table {self.u_name}.{self.t_name} " \
            f"to {self.u_name_01};" \
            f"revoke all  on table {self.u_name}.{self.t_name} " \
            f"from {self.u_name};"
        msg = self.pri_sh.execut_db_sql(sql_cmd)
        self.log.info(msg)
        self.assertIn(self.constant.GRANT_SUCCESS_MSG, msg, '执行失败:' + text)
        self.assertIn(self.constant.REVOKE_SUCCESS_MSG, msg, '执行失败:' + text)

        text = '-----step7：超级用户连接,查询视图; expect:成功-----'
        self.log.info(text)
        sql_cmd = f"select * from {self.u_name}.{self.v_name};"
        msg = self.pri_sh.execut_db_sql(sql_cmd)
        self.log.info(msg)
        self.assertIn('2 rows', msg, '执行失败:' + text)

    def tearDown(self):
        self.log.info('-----step8：清理环境-----')
        text1 = '-----删除表和用户 expect:成功-----'
        self.log.info(text1)
        drop_cmd = f"drop table if exists {self.u_name}.{self.t_name} " \
            f"cascade;" \
            f"drop user if exists {self.u_name},{self.u_name_01} cascade;"
        drop_msg = self.pri_sh.execut_db_sql(drop_cmd)
        self.log.info(drop_msg)

        text2 = '-----修改参数enableSeparationOfDuty为初始值 expect:成功-----'
        self.log.info(text2)
        mod_msg1 = self.pri_sh.execute_gsguc('set',
                                             self.constant.GSGUC_SUCCESS_MSG,
                                             f'enableSeparationOfDuty='
                                             f'{self.default_value1}')
        restart_res = self.pri_sh.restart_db_cluster()

        self.log.info('-----断言tearDown执行成功-----')
        self.assertIn(self.constant.DROP_TABLE_SUCCESS, drop_msg,
                      '执行失败:' + text1)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, drop_msg,
                      '执行失败:' + text1)
        self.assertTrue(mod_msg1, '执行失败:' + text2)
        self.assertTrue(restart_res, '执行失败:' + text2)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
